Finding the Fourth Proportional to 1,493,833,071.27, 2,240,758,139.01 and 620,434,440.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493,833,071.27 : 2,240,758,139.01 = 620,434,440.03 : x
2. Step 2: Convert to fraction form
   1,493,833,071.27/2,240,758,139.01 = 620,434,440.03/x
3. Step 3: Cross multiply
   1,493,833,071.27x = 2,240,758,139.01 × 620,434,440.03
4. Step 4: Simplify right side
   1,493,833,071.27x = 1,390,243,521,219,334,400
5. Step 5: Solve for x
   x = 1,390,243,521,219,334,400/1,493,833,071.27
6. Step 6: Final answer
   x = 930,655,203.69